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Old 08-06-2013, 09:23 AM   #233
gerfunken
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Join Date: Feb 2009
Location: Surprise, AZ
Posts: 490
Re: Scott's 1972 Chevy K-20. A place to start.

Quote:
Originally Posted by Dieselwrencher View Post
Wrapping it won't hurt, abd for your exhaust manifold, get a blanket and that'll help too.

And I'd weld that hole in the elbow shut. Drill and tap your exhaust manifold for a pyro. It's a more accurate idea of what is truely the temps in the cylinder as the exhaust comes out. You can lose 250-300* at the outlet and get a false idea.
Thanks for the info, I wasn't aware that there could be that much heat lost between the manifold and behind the turbo. I'll fill that hole and tap another when I pull the exhaust back off to put the header wrap on the down pipe.

Quote:
Originally Posted by 6lcummins View Post
Something we have learned from experience, the 90s tend to be a PITA to keep on and we try to only use straight rubber hoses as it causes less swell and is less likely to blow off.
Do you find this to be the issue at only 20psi boost, or are you seeing it when you guys push more through the system? I haven't done any real performance upgrades other than a #5 fuel plate at this point. I guess my other option would be to redo the intake itself. Ryan (CO) sent me a flange that I've still got sitting around the garage as it wasn't used.

Quote:
Originally Posted by ryanroo View Post
Love to see a young lady out in the garage working on stuff! Please have her wear long sleeves if she does welding, and white t shirts are a big no no. arc burn is nasty and way worse for you than a sun burn. white just doesn't block the UV. i learned this the hard way....
Ya, I know. She wanted to know what welding was all about. She completed about 6 spot welds total (only two of which held) before she got bored and moved on to other things. It's nice that she and my wife are the ones that does come out and check on me, and always help out when I need a third hand. The boys have never been interested in anything I'm doing in the garage or yard. Even at 19, 20 & 23, are more interested in video games than anything that may give them skills and some sense of accomplishment in the future.
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1972 Chevy K20
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1930 Chevy AD
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